/* zip.h -- IO on .zip files using zlib
   Version 1.1, February 14h, 2010
   part of the MiniZip project

   Copyright (C) 1998-2010 Gilles Vollant
     http://www.winimage.com/zLibDll/minizip.html
   Modifications for Zip64 support
     Copyright (C) 2009-2010 Mathias Svensson
     http://result42.com

   This program is distributed under the terms of the same license as zlib.
   See the accompanying LICENSE file for the full text of the license.
*/

#ifndef _ZIP_H
#define _ZIP_H

#ifdef __cplusplus
extern "C" {
#endif

#ifndef _ZLIB_H
#  include "zlib.h"
#endif

#ifndef _ZLIBIOAPI_H
#  include "ioapi.h"
#endif

#ifdef HAVE_BZIP2
#  include "bzlib.h"
#endif

#define Z_BZIP2ED 12

#if defined(STRICTZIP) || defined(STRICTZIPUNZIP)
    /* like the STRICT of WIN32, we define a pointer that cannot be converted
        from (void*) without cast */
    typedef struct TagzipFile__
    {
        int unused;
    } zipFile__;
    typedef zipFile__* zipFile;
#else
    typedef voidp zipFile;
#endif

#define ZIP_OK                          (0)
#define ZIP_EOF                         (0)
#define ZIP_ERRNO                       (Z_ERRNO)
#define ZIP_PARAMERROR                  (-102)
#define ZIP_BADZIPFILE                  (-103)
#define ZIP_INTERNALERROR               (-104)

#ifndef DEF_MEM_LEVEL
#  if MAX_MEM_LEVEL >= 8
#    define DEF_MEM_LEVEL 8
#  else
#    define DEF_MEM_LEVEL  MAX_MEM_LEVEL
#  endif
#endif
    /* default memLevel */

    /* tm_zip contain date/time info */
    typedef struct tm_zip_s
    {
        uInt tm_sec;                /* seconds after the minute - [0,59] */
        uInt tm_min;                /* minutes after the hour - [0,59] */
        uInt tm_hour;               /* hours since midnight - [0,23] */
        uInt tm_mday;               /* day of the month - [1,31] */
        uInt tm_mon;                /* months since January - [0,11] */
        uInt tm_year;               /* years - [1980..2044] */
    } tm_zip;

    typedef struct
    {
        tm_zip      tmz_date;       /* date in understandable format           */
        uLong       dosDate;        /* if dos_date == 0, tmu_date is used      */
        uLong       internal_fa;    /* internal file attributes        2 bytes */
        uLong       external_fa;    /* external file attributes        4 bytes */
    } zip_fileinfo;

#define APPEND_STATUS_CREATE        (0)
#define APPEND_STATUS_CREATEAFTER   (1)
#define APPEND_STATUS_ADDINZIP      (2)

    /***************************************************************************/
    /* Writing a zip file */

    extern zipFile ZEXPORT zipOpen OF((const char* pathname, int append));
    extern zipFile ZEXPORT zipOpen64 OF((const void* pathname, int append));
    /* Create a zipfile.

       pathname should contain the full pathname (by example, on a Windows XP computer
          "c:\\zlib\\zlib113.zip" or on an Unix computer "zlib/zlib113.zip".

       return NULL if zipfile cannot be opened
       return zipFile handle if no error

       If the file pathname exist and append == APPEND_STATUS_CREATEAFTER, the zip
       will be created at the end of the file. (useful if the file contain a self extractor code)
       If the file pathname exist and append == APPEND_STATUS_ADDINZIP, we will add files in existing
       zip (be sure you don't add file that doesn't exist)

       NOTE: There is no delete function into a zipfile. If you want delete file into a zipfile,
       you must open a zipfile, and create another. Of course, you can use RAW reading and writing to copy
       the file you did not want delete. */

    extern zipFile ZEXPORT zipOpen2 OF((const char* pathname, int append, const char** globalcomment,
                                        zlib_filefunc_def* pzlib_filefunc_def));

    extern zipFile ZEXPORT zipOpen2_64 OF((const void* pathname, int append, const char** globalcomment,
                                           zlib_filefunc64_def* pzlib_filefunc_def));

    extern zipFile ZEXPORT zipOpen3 OF((const char* pathname, int append, ZPOS64_T disk_size,
                                        const char** globalcomment, zlib_filefunc_def* pzlib_filefunc_def));
    /* Same as zipOpen2 but allows specification of spanned zip size */

    extern zipFile ZEXPORT zipOpen3_64 OF((const void* pathname, int append, ZPOS64_T disk_size,
                                           const char** globalcomment, zlib_filefunc64_def* pzlib_filefunc_def));

    extern int ZEXPORT zipOpenNewFileInZip OF((zipFile file, const char* filename, const zip_fileinfo* zipfi,
                                               const void* extrafield_local, uInt size_extrafield_local, const void* extrafield_global,
                                               uInt size_extrafield_global, const char* comment, int method, int level));
    /* Open a file in the ZIP for writing.

       filename : the filename in zip (if NULL, '-' without quote will be used
       *zipfi contain supplemental information
       extrafield_local buffer to store the local header extra field data, can be NULL
       size_extrafield_local size of extrafield_local buffer
       extrafield_global buffer to store the global header extra field data, can be NULL
       size_extrafield_global size of extrafield_local buffer
       comment buffer for comment string
       method contain the compression method (0 for store, Z_DEFLATED for deflate)
       level contain the level of compression (can be Z_DEFAULT_COMPRESSION)
       zip64 is set to 1 if a zip64 extended information block should be added to the local file header.
       this MUST be '1' if the uncompressed size is >= 0xffffffff. */

    extern int ZEXPORT zipOpenNewFileInZip64 OF((zipFile file, const char* filename, const zip_fileinfo* zipfi,
                                                 const void* extrafield_local, uInt size_extrafield_local, const void* extrafield_global,
                                                 uInt size_extrafield_global, const char* comment, int method, int level, int zip64));
    /* Same as zipOpenNewFileInZip with zip64 support */

    extern int ZEXPORT zipOpenNewFileInZip2 OF((zipFile file, const char* filename, const zip_fileinfo* zipfi,
                                                const void* extrafield_local, uInt size_extrafield_local, const void* extrafield_global,
                                                uInt size_extrafield_global, const char* comment, int method, int level, int raw));
    /* Same as zipOpenNewFileInZip, except if raw=1, we write raw file */

    extern int ZEXPORT zipOpenNewFileInZip2_64 OF((zipFile file, const char* filename, const zip_fileinfo* zipfi,
                                                   const void* extrafield_local, uInt size_extrafield_local, const void* extrafield_global,
                                                   uInt size_extrafield_global, const char* comment, int method, int level, int raw, int zip64));
    /* Same as zipOpenNewFileInZip3 with zip64 support */

    extern int ZEXPORT zipOpenNewFileInZip3 OF((zipFile file, const char* filename, const zip_fileinfo* zipfi,
                                                const void* extrafield_local, uInt size_extrafield_local, const void* extrafield_global,
                                                uInt size_extrafield_global, const char* comment, int method, int level, int raw, int windowBits, int memLevel,
                                                int strategy, const char* password, uLong crcForCrypting));
    /* Same as zipOpenNewFileInZip2, except
        windowBits, memLevel, strategy : see parameter strategy in deflateInit2
        password : crypting password (NULL for no crypting)
        crcForCrypting : crc of file to compress (needed for crypting) */

    extern int ZEXPORT zipOpenNewFileInZip3_64 OF((zipFile file, const char* filename, const zip_fileinfo* zipfi,
                                                   const void* extrafield_local, uInt size_extrafield_local, const void* extrafield_global,
                                                   uInt size_extrafield_global, const char* comment, int method, int level, int raw, int windowBits, int memLevel,
                                                   int strategy, const char* password, uLong crcForCrypting, int zip64));
    /* Same as zipOpenNewFileInZip3 with zip64 support */

    extern int ZEXPORT zipOpenNewFileInZip4 OF((zipFile file, const char* filename, const zip_fileinfo* zipfi,
                                                const void* extrafield_local, uInt size_extrafield_local, const void* extrafield_global,
                                                uInt size_extrafield_global, const char* comment, int method, int level, int raw, int windowBits, int memLevel,
                                                int strategy, const char* password, uLong crcForCrypting, uLong versionMadeBy, uLong flagBase));
    /* Same as zipOpenNewFileInZip3 except versionMadeBy & flag fields */

    extern int ZEXPORT zipOpenNewFileInZip4_64 OF((zipFile file, const char* filename, const zip_fileinfo* zipfi,
                                                   const void* extrafield_local, uInt size_extrafield_local, const void* extrafield_global,
                                                   uInt size_extrafield_global, const char* comment, int method, int level, int raw, int windowBits, int memLevel,
                                                   int strategy, const char* password, uLong crcForCrypting, uLong versionMadeBy, uLong flagBase, int zip64));
    /* Same as zipOpenNewFileInZip4 with zip64 support */

    extern int ZEXPORT zipWriteInFileInZip OF((zipFile file, const void* buf, unsigned len));
    /* Write data in the zipfile */

    extern int ZEXPORT zipCloseFileInZip OF((zipFile file));
    /* Close the current file in the zipfile */

    extern int ZEXPORT zipCloseFileInZipRaw OF((zipFile file, uLong uncompressed_size, uLong crc32));
    extern int ZEXPORT zipCloseFileInZipRaw64 OF((zipFile file, ZPOS64_T uncompressed_size, uLong crc32));
    /* Close the current file in the zipfile, for file opened with parameter raw=1 in zipOpenNewFileInZip2
       uncompressed_size and crc32 are value for the uncompressed size */

    extern int ZEXPORT zipClose OF((zipFile file, const char* global_comment));
    /* Close the zipfile */

    extern int ZEXPORT zipClose_64 OF((zipFile file, const char* global_comment));

    extern int ZEXPORT zipClose2_64 OF((zipFile file, const char* global_comment, uLong versionMadeBy));
    /* Same as zipClose_64 except versionMadeBy field */

    /***************************************************************************/

#ifdef __cplusplus
}
#endif

#endif /* _ZIP_H */
